colorscheme gruvbox


" 保留命令的历史记录数
set history=5555

" Persistent undo
" undo保留历史
set undofile
set undodir=$HOME/.vim/undo
set undolevels=1000
set undoreload=10000

"换行不自动加注释
augroup Format-Options
    autocmd!
    autocmd BufEnter * setlocal formatoptions-=c formatoptions-=r formatoptions-=o

    " This can be done as well instead of the previous line, for setting formatoptions as you choose:
    autocmd BufEnter * setlocal formatoptions=crqn2l1j
augroup END

" 光标回到上次文件打开的位置
au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif


" 当光标一段时间保持不动了，就禁用高亮
autocmd cursorhold * set nohlsearch

"当输入查找命令时，再启用高亮
noremap n :set hlsearch<cr>n
noremap N :set hlsearch<cr>N
noremap / :set hlsearch<cr>/
noremap ? :set hlsearch<cr>?
noremap * *:set hlsearch<cr>


let &t_SI = "\<Esc>]50;CursorShape=1\x7"
let &t_EI = "\<Esc>]50;CursorShape=0\x7"
" 设置出错不发出声音
set vb t_vb=
" 设置当前行黑色
highlight CursorLine   cterm=NONE ctermbg=black ctermfg=green guibg=NONE guifg=NONE


" 在底部状态栏显示当前模式，如插入、命令模式
set showmode

" 在命令模式下显示当前命令，如输入2y时，会在状态栏显示命令，再次输入y时，执行命令，状态栏命令消失
set showcmd

" 是否显示状态栏。0表示不显示，1表示只在多窗口时显示，2表示显示。
set laststatus=2

" 在状态栏显示光标的当前位置
set  ruler

" 支持鼠标
set mouse=c

" 当前文本使用uf8编码
set encoding=utf-8

"开启高亮
syntax enable
filetype plugin on
" 透明显示
hi Normal  ctermfg=252 ctermbg=none


" wildfire 只能选择映射成空格依赖插件wildfire
"map s<SPACE> <Plug>(wildfire-fuel)
"vmap <SPACE> <Plug>(wildfire-water)

"autocmd CmdwinEnter * nnoremap <CR> <CR>
"autocmd BufReadPost quickfix nnoremap <CR> <CR>


"相对行号
set number relativenumber


" 设置行宽，即一行显示多少个字符
"set textwidth=80
set textwidth=80

" 自动折行，即太长的行分成几行显示，关闭自动折行为set nowrap
set wrap

" 只有遇到指定的符号（比如空格、连词号和其他标点符号），才发生折行。也就是说，不会在单词内部折行
set linebreak

" 垂直滚动时，光标距离顶部/底部的位置（单位：行）
set scrolloff=5

" 水平滚动时，光标距离行首或行尾的位置（单位：字符）。该配置在不折行时比较有用。
set sidescrolloff=10


""""""""""""""""""""""""""""  缩进相关配置 """"""""""""""""""

" 按下tab时显示的空格数
set tabstop=4

" tab转化为多少个空格
set softtabstop=4

" 执行移位操作`>>或<<`时，显示的空格数
set shiftwidth=4

" 由于 tab 键在不同的编辑器缩进不一致，该设置自动将 Tab 转为空格
set expandtab

" 自动缩略，当按下回车时，自动与上一行的缩进保持一致
set autoindent


"""""""""""""""""""""""""""" 搜索相关配置 """"""""""""""""""

" 光标遇到{[()]}时，会高亮显示另一半匹配的符号
set showmatch

" 高亮显示搜索的词
set hlsearch

" 增量搜索匹配结果，即每输入一个字母都会进行匹配
set incsearch

" 搜索时忽略大小写
set ignorecase

" 如果同时打开了ignorecase，那么对于只有一个大写字母的搜索词，将大小写敏感；其他情况都是大小写不敏感
set smartcase


"""""""""""""""""""""""""""" 编辑相关配置 """"""""""""""""""
" 不创建交换文件。交换文件主要用于系统崩溃时恢复文件，文件名的开头是.、结尾是.swp
set noswapfile

" 自动切换工作目录。这主要用在一个 Vim 会话之中打开多个文件的情况，默认的工作目录是打开的第一个文件的目录。该配置可以将工作目录自动切换到，正在编辑的文件的目录。
set autochdir

" 打开文件监视。如果在编辑过程中文件发生外部改变，就会发出提示。
set autoread

" 命令模式下，底部操作指令按下 Tab 键自动补全
set wildmenu



" 高亮行

set cursorline


""""""""""""""基本配置""""""""""""""""""""""
" 不兼容vi命令
set nocompatible

"coc补全    配置
set hidden
" Some servers have issues with backup files, see #649.
set nobackup
set nowritebackup
set updatetime=300

" Don't pass messages to |ins-completion-menu|.
set shortmess+=c

" Give more space for displaying messages.
set cmdheight=2

if has("nvim-0.5.0") || has("patch-8.1.1564")
    " Recently vim can merge signcolumn and number column into one
    set signcolumn=number
else
    set signcolumn=yes
endif



" Use tab for trigger completion with characters ahead and navigate.
" NOTE: Use command ':verbose imap <tab>' to make sure tab is not mapped by
" other plugin before putting this into your config.
inoremap <silent><expr> <TAB>
            \ pumvisible() ? "\<C-n>" :
            \ <SID>check_back_space() ? "\<TAB>" :
            \ coc#refresh()
inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"

function! s:check_back_space() abort
    let col = col('.') - 1
    return !col || getline('.')[col - 1]  =~# '\s'
endfunction

" Use <c-space> to trigger completion.
if has('nvim')
    inoremap <silent><expr> <c-space> coc#refresh()
else
    inoremap <silent><expr> <c-@> coc#refresh()
endif

" Make <CR> auto-select the first completion item and notify coc.nvim to
" format on enter, <cr> could be remapped by other vim plugin
inoremap <silent><expr> <cr> pumvisible() ? coc#_select_confirm()
            \: "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"


" Use `[g` and `]g` to navigate diagnostics
" Use `:CocDiagnostics` to get all diagnostics of current buffer in location list.
nmap <silent> [g <Plug>(coc-diagnostic-prev)
nmap <silent> ]g <Plug>(coc-diagnostic-next)

" GoTo code navigation.
nmap <silent> gd <Plug>(coc-definition)
nmap <silent> gy <Plug>(coc-type-definition)
nmap <silent> gi <Plug>(coc-implementation)
nmap <silent> gr <Plug>(coc-references)

" Use K to show documentation in preview window.
nnoremap <silent> K :call <SID>show_documentation()<CR>

function! s:show_documentation()
    if (index(['vim','help'], &filetype) >= 0)
        execute 'h '.expand('<cword>')
    elseif (coc#rpc#ready())
        call CocActionAsync('doHover')
    else
        execute '!' . &keywordprg . " " . expand('<cword>')
    endif
endfunction

" Highlight the symbol and its references when holding the cursor.
autocmd CursorHold * silent call CocActionAsync('highlight')

" Symbol renaming.
nmap <leader>rn <Plug>(coc-rename)

" Formatting selected code.
xmap <leader>f  <Plug>(coc-format-selected)
nmap <leader>f  <Plug>(coc-format-selected)

augroup mygroup
    autocmd!
    " Setup formatexpr specified filetype(s).
    autocmd FileType typescript,json setl formatexpr=CocAction('formatSelected')
    " Update signature help on jump placeholder.
    autocmd User CocJumpPlaceholder call CocActionAsync('showSignatureHelp')
augroup end

" Applying codeAction to the selected region.
" Example: `<leader>aap` for current paragraph
xmap <leader>a  <Plug>(coc-codeaction-selected)
nmap <leader>a  <Plug>(coc-codeaction-selected)

" Remap keys for applying codeAction to the current buffer.
nmap <leader>ac  <Plug>(coc-codeaction)
" Apply AutoFix to problem on the current line.
nmap <leader>qf  <Plug>(coc-fix-current)

" Map function and class text objects
" NOTE: Requires 'textDocument.documentSymbol' support from the language server.
xmap if <Plug>(coc-funcobj-i)
omap if <Plug>(coc-funcobj-i)
xmap af <Plug>(coc-funcobj-a)
omap af <Plug>(coc-funcobj-a)
xmap ic <Plug>(coc-classobj-i)
omap ic <Plug>(coc-classobj-i)
xmap ac <Plug>(coc-classobj-a)
omap ac <Plug>(coc-classobj-a)

" Remap <C-f> and <C-b> for scroll float windows/popups.
if has('nvim-0.4.0') || has('patch-8.2.0750')
    nnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
    nnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
    inoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(1)\<cr>" : "\<Right>"
    inoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? "\<c-r>=coc#float#scroll(0)\<cr>" : "\<Left>"
    vnoremap <silent><nowait><expr> <C-f> coc#float#has_scroll() ? coc#float#scroll(1) : "\<C-f>"
    vnoremap <silent><nowait><expr> <C-b> coc#float#has_scroll() ? coc#float#scroll(0) : "\<C-b>"
endif

" Use CTRL-S for selections ranges.
" Requires 'textDocument/selectionRange' support of language server.
"nmap <silent> <C-s> <Plug>(coc-range-select)
"xmap <silent> <C-s> <Plug>(coc-range-select)

" Add `:Format` command to format current buffer.
command! -nargs=0 Format :call CocAction('format')

" Add `:Fold` command to fold current buffer.
command! -nargs=? Fold :call     CocAction('fold', <f-args>)

" Add `:OR` command for organize imports of the current buffer.
command! -nargs=0 OR   :call     CocAction('runCommand', 'editor.action.organizeImport')

" Add (Neo)Vim's native statusline support.
" NOTE: Please see `:h coc-status` for integrations with external plugins that
" provide custom statusline: lightline.vim, vim-airline.
set statusline^=%{coc#status()}%{get(b:,'coc_current_function','')}

" Mappings for CoCList
" Show all diagnostics.
nnoremap <silent><nowait> <space>a  :<C-u>CocList diagnostics<cr>
" Manage extensions.
nnoremap <silent><nowait> <space>e  :<C-u>CocList extensions<cr>
" Show commands.
nnoremap <silent><nowait> <space>c  :<C-u>CocList commands<cr>
" Find symbol of current document.
nnoremap <silent><nowait> <space>o  :<C-u>CocList outline<cr>
" Search workspace symbols.
nnoremap <silent><nowait> <space>s  :<C-u>CocList -I symbols<cr>
" Do default action for next item.
nnoremap <silent><nowait> <space>j  :<C-u>CocNext<CR>
" Do default action for previous item.
nnoremap <silent><nowait> <space>k  :<C-u>CocPrev<CR>
" Resume latest coc list.
nnoremap <silent><nowait> <space>p  :<C-u>CocListResume<CR>
